CN107975160A - Shear wall structure, making and assembly method with laterally attached keyway - Google Patents
Shear wall structure, making and assembly method with laterally attached keyway Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 236
- 239000010959 steel Substances 0.000 claims abstract description 236
- 239000004567 concrete Substances 0.000 claims abstract description 22
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- 230000002787 reinforcement Effects 0.000 claims description 75
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
- E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
- E04B1/043—Connections specially adapted therefor
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- E—FIXED CONSTRUCTIONS
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- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
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- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
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Abstract
本发明涉及装配式混凝土结构领域，具体为一种带侧向连接键槽的剪力墙结构、制作及装配方法，该种结构装配的两片剪力墙，可以在竖向或水平向装配。在两剪力墙之间的连接位置拆分，分别制作预制带键墙和预制带槽墙，其中，侧面钢板与预制墙钢筋通过预留穿钢筋孔相连，并留有削弱钢板刚度孔，钢槽与钢键分别与两片预制墙的侧面钢板焊接，并预留螺栓孔，钢槽与钢键通过螺栓杆连接，进而完成两预制墙连接，形成整体。在剪力墙侧壁设置钢键和钢槽，通过螺栓及钢键和钢槽的咬合连接，实现预制剪力墙与预制剪力墙的水平连接。该发明具有构件简单易加工，装配流程简单，省时高效等优点，并具有更广泛的适用性。The invention relates to the field of prefabricated concrete structures, in particular to a shear wall structure with a lateral connection keyway, a manufacturing and assembly method, and two shear walls assembled by the structure can be assembled vertically or horizontally. Split at the connection position between the two shear walls to make a prefabricated keyed wall and a prefabricated grooved wall respectively. The groove and the steel key are respectively welded to the side steel plates of the two prefabricated walls, and bolt holes are reserved. The steel groove and the steel key are connected by bolt rods, and then the two prefabricated walls are connected to form a whole. Set steel keys and steel channels on the side walls of the shear walls, and realize the horizontal connection between the prefabricated shear walls and the prefabricated shear walls through the occlusal connection of bolts, steel keys and steel channels. The invention has the advantages of simple components and easy processing, simple assembly process, time saving and high efficiency, and has wider applicability.
Description
技术领域technical field
本发明涉及装配式混凝土结构领域，具体为一种带侧向连接键槽的剪力墙结构、制作及装配方法，该种结构装配的两片剪力墙，可以在竖向或水平向装配。The invention relates to the field of prefabricated concrete structures, in particular to a shear wall structure with a lateral connection keyway, a manufacturing and assembly method, and two shear walls assembled by the structure can be assembled vertically or horizontally.
背景技术Background technique
装配式混凝土建筑具有施工速度快、节能、环保、节省劳动力等优点，成为未来建筑发展的重要方向之一，剪力墙结构是装配式混凝土结构的重要结构形式之一。当剪力墙的长度很大时，需将一片剪力墙拆分成2片或多片剪力墙，拆分后的剪力墙，在施工现场需要在水平方向装配连接。现有剪力墙水平方向的连接主要是采用现浇钢筋混凝土连接，施工工艺较繁琐，施工质量也难以保证。为此，本发明提供一种带侧向连接键槽的剪力墙结构、制作及装配方法，该种连接具有施工工艺简单、施工质量容易保证、抗震性能好等优点。Prefabricated concrete buildings have the advantages of fast construction speed, energy saving, environmental protection, and labor saving, and become one of the important directions of future architectural development. Shear wall structure is one of the important structural forms of prefabricated concrete structures. When the length of the shear wall is very large, it is necessary to split a shear wall into two or more shear walls, and the split shear walls need to be assembled and connected in the horizontal direction at the construction site. The horizontal connection of the existing shear walls is mainly connected by cast-in-place reinforced concrete, the construction process is cumbersome, and the construction quality is difficult to guarantee. To this end, the present invention provides a shear wall structure with lateral connection keyways, a manufacturing and assembly method, and the connection has the advantages of simple construction technology, easy construction quality assurance, and good seismic performance.
发明内容Contents of the invention
本发明的目的在于提供一种带侧向连接键槽的剪力墙结构、制作及装配方法，在剪力墙侧壁设置钢键和钢槽，通过螺栓及钢键和钢槽的咬合连接，实现预制剪力墙与预制剪力墙的水平连接。该发明具有构件简单易加工，装配流程简单，省时高效等优点，并具有更广泛的适用性。The purpose of the present invention is to provide a shear wall structure with lateral connection keyway, manufacturing and assembly method, set steel key and steel groove on the side wall of the shear wall, and realize Horizontal connection between prefabricated shear walls and prefabricated shear walls. The invention has the advantages of simple components and easy processing, simple assembly process, time saving and high efficiency, and has wider applicability.
本发明的技术方案：Technical scheme of the present invention:
一种带侧向连接键槽的剪力墙结构，由预制带侧向连接键的剪力墙，以下简称预制带键墙和预制带侧向连接槽的剪力墙以下简称预制带槽墙组成的拆分拼装体系，其中：剪力墙侧面带孔钢板，以下简称侧面钢板；焊接于侧面钢板的钢槽，以下简称钢槽；焊接于侧面钢板的钢键，以下简称钢键；该拼装连接结构形式如下：A shear wall structure with lateral connection keyway, which is composed of prefabricated shear wall with lateral connection key, hereinafter referred to as prefabricated keyed wall and prefabricated shear wall with lateral connection groove, hereinafter referred to as prefabricated grooved wall Disassemble and assemble the system, including: the steel plate with holes on the side of the shear wall, hereinafter referred to as the side plate; the steel channel welded to the side plate, hereinafter referred to as the steel channel; the steel key welded to the side plate, hereinafter referred to as the steel key; the assembled connection structure The form is as follows:
在两剪力墙之间的连接位置拆分，分别制作预制带键墙和预制带槽墙，其中，侧面钢板与预制墙钢筋通过预留穿钢筋孔相连，并留有削弱钢板刚度孔，钢槽与钢键分别与两片预制墙的侧面钢板焊接，并预留螺栓孔，钢槽与钢键通过螺栓杆连接，进而完成两预制墙连接，形成整体。Split at the connection position between the two shear walls to make a prefabricated keyed wall and a prefabricated grooved wall respectively. The groove and the steel key are respectively welded to the side steel plates of the two prefabricated walls, and bolt holes are reserved. The steel groove and the steel key are connected by bolt rods, and then the two prefabricated walls are connected to form a whole.
所述的带侧向连接键槽的剪力墙结构，钢槽的底面与侧面钢板焊接，侧面钢板沿纵向开设预留穿钢筋孔，侧面钢板上对称开设削弱钢板刚度孔；钢槽为凹形槽，钢槽的两个侧面分别开设钢槽预留螺栓孔。In the shear wall structure with a lateral connecting keyway, the bottom surface of the steel channel is welded to the side steel plate, the side steel plate is longitudinally provided with holes for piercing reinforcement, and the side steel plate is symmetrically provided with holes for weakening the stiffness of the steel plate; the steel channel is a concave groove , The two sides of the steel channel are respectively provided with reserved bolt holes for the steel channel.
所述的带侧向连接键槽的剪力墙结构，钢键与侧面钢板焊接，钢键为方框形，钢键的两个相对侧面开设钢键预留螺栓孔，钢键比侧面钢板的内侧宽度小，钢键的钢键预留螺栓孔的数量分布和尺寸与钢槽的钢槽预留螺栓孔相同。In the shear wall structure with lateral connecting keyways, the steel key is welded to the side steel plate, the steel key is in the shape of a square frame, and the two opposite sides of the steel key are provided with reserved bolt holes for the steel key, and the steel key is larger than the inner side of the side steel plate. The width is small, and the number distribution and size of the steel key reserved bolt holes of the steel key are the same as those of the steel channel reserved bolt holes.
所述的带侧向连接键槽的剪力墙结构，预制带槽墙的钢筋骨架结构如下：两排平行相对的预制剪力墙水平筋和两排平行相对的预制剪力墙纵筋组成框架结构，预制剪力墙水平筋的两端分别安装带有钢槽的侧面钢板；位于预制剪力墙水平筋端部的预制剪力墙纵筋之间，通过预制剪力墙约束边缘构件箍筋连接；相对的预制剪力墙纵筋之间通过预制剪力墙拉筋连接。For the shear wall structure with lateral connecting key grooves, the steel skeleton structure of the prefabricated grooved wall is as follows: two rows of parallel and opposite horizontal reinforcement of the prefabricated shear wall and two rows of parallel and opposite longitudinal reinforcement of the prefabricated shear wall form a frame structure , the two ends of the horizontal reinforcement of the prefabricated shear wall are respectively installed with side steel plates with steel grooves; between the longitudinal reinforcement of the prefabricated shear wall at the end of the horizontal reinforcement of the prefabricated shear wall, the edge members are constrained by the stirrup connection of the prefabricated shear wall ; The relative prefabricated shear wall longitudinal reinforcements are connected by prefabricated shear wall tension bars.
所述的带侧向连接键槽的剪力墙结构，预制带键墙的钢筋骨架结构如下：两排平行相对的预制剪力墙水平筋和两排平行相对的预制剪力墙纵筋组成框架结构，预制剪力墙水平筋的两端分别安装带有钢键的侧面钢板；位于预制剪力墙水平筋端部的预制剪力墙纵筋之间，通过预制剪力墙约束边缘构件箍筋连接；相对的预制剪力墙纵筋之间通过预制剪力墙拉筋连接。For the shear wall structure with lateral connection keyway, the steel skeleton structure of the prefabricated keyed wall is as follows: two rows of parallel and opposite horizontal reinforcement of the prefabricated shear wall and two rows of parallel and opposite longitudinal reinforcement of the prefabricated shear wall form the frame structure , the two ends of the horizontal reinforcement of the prefabricated shear wall are respectively equipped with side steel plates with steel keys; between the longitudinal reinforcement of the prefabricated shear wall located at the end of the horizontal reinforcement of the prefabricated shear wall, the edge members are constrained by the prefabricated shear wall. ; The relative prefabricated shear wall longitudinal reinforcements are connected by prefabricated shear wall tension bars.
所述的带侧向连接键槽的剪力墙结构的制作方法，具体过程如下：The manufacturing method of the described shear wall structure with lateral connection keyway, the specific process is as follows:
(1)预制带槽墙的制作过程(1) The production process of the prefabricated grooved wall
首先绑扎预制剪力墙纵筋和预制剪力墙约束边缘构件箍筋，形成预制墙边缘约束构件钢筋；然后将预制墙水平筋穿过侧面钢板的预留穿钢筋孔，并与预制墙边缘约束构件钢筋完成绑扎；最后绑扎预制剪力墙拉筋，形成预制带槽墙的钢筋骨架；在钢筋骨架外支撑预制剪力墙模板，最后在所述模板内浇筑混凝土，养护20～30天，拆除预制剪力墙模板，形成预制带槽墙；First, bind the longitudinal reinforcement of the prefabricated shear wall and the stirrups of the prefabricated shear wall constraining edge members to form the prefabricated wall edge constraining member reinforcement; then pass the prefabricated wall horizontal reinforcement through the reserved reinforcement hole of the side steel plate, and constrain it with the edge of the prefabricated wall The component reinforcement is bound; finally, the prefabricated shear wall tension bars are bound to form the steel skeleton of the prefabricated grooved wall; the prefabricated shear wall formwork is supported outside the steel framework, and finally concrete is poured in the formwork, maintained for 20 to 30 days, and then removed Prefabricated shear wall formwork to form prefabricated grooved walls;
(2)预制带键墙的制作过程(2) The production process of the prefabricated keyed wall
首先绑扎预制剪力墙纵筋和预制剪力墙约束边缘构件箍筋，形成预制墙边缘约束构件钢筋；然后将预制墙水平筋穿过侧面钢板的预留穿钢筋孔，并与预制墙边缘约束构件钢筋完成绑扎；最后绑扎预制剪力墙拉筋，形成预制带键墙的钢筋骨架；在钢筋骨架外支撑预制剪力墙模板，最后在所述模板内浇筑混凝土，养护20～30天，拆除预制剪力墙模板，形成预制带键墙。First, bind the longitudinal reinforcement of the prefabricated shear wall and the stirrups of the prefabricated shear wall constraining edge members to form the prefabricated wall edge constraining member reinforcement; then pass the prefabricated wall horizontal reinforcement through the reserved reinforcement hole of the side steel plate, and constrain it with the edge of the prefabricated wall The component reinforcement is bound; finally, the prefabricated shear wall tension bars are bound to form the steel skeleton of the prefabricated keyed wall; the prefabricated shear wall formwork is supported outside the steel framework, and finally concrete is poured in the formwork, maintained for 20 to 30 days, and then dismantled Precast shear wall formwork to form precast keyed walls.
所述的带侧向连接键槽的剪力墙结构的制作方法，在削弱钢板刚度孔处放置矩形钢挡板，以防止混凝土从削弱钢板刚度孔中漏出，矩形钢挡板夹在侧面钢板与预制剪力墙水平筋之间。In the manufacturing method of the shear wall structure with lateral connection keyway, a rectangular steel baffle is placed at the hole of the weakened steel plate to prevent concrete from leaking out of the hole of the weakened steel plate, and the rectangular steel baffle is clamped between the side steel plate and the prefabricated steel plate. Between the horizontal bars of the shear wall.
所述的带侧向连接键槽的剪力墙结构的装配方法，组装时，首先吊装固定预制带槽墙，然后将预制带键墙从竖向或水平向，吊装于预制带槽墙的侧面，预制带键墙通过钢键与预制带槽墙的钢槽对接，并保证钢键在钢槽内，二者间的螺栓孔对齐；最后将一端带螺帽的螺栓杆穿过钢槽和钢键的预留螺栓孔，并用螺帽拧紧；In the assembly method of the shear wall structure with lateral connecting keyways, firstly, the prefabricated wall with grooves is hoisted and fixed, and then the prefabricated wall with keys is vertically or horizontally hoisted on the side of the prefabricated wall with grooves, The prefabricated keyed wall is docked with the steel channel of the prefabricated channeled wall through the steel key, and the steel key is in the steel channel, and the bolt holes between the two are aligned; finally, the bolt rod with a nut at one end passes through the steel channel and the steel key The reserved bolt holes, and tighten with nuts;
在预制带槽墙和预制带键墙之间支撑钢模板，钢模板之间用钢模板链接螺栓固定，并用防水胶涂抹模板与预制带槽墙和预制带键墙之间的缝隙，使钢模板和预制墙紧密连接不漏浆，然后在钢模板内灌注灌浆料，直至灌浆料充满钢模板与预制带槽墙和预制带键墙之间的空间；待灌浆料凝固后拆除模板，完成预制带槽墙与预制带键墙的拼装连接。The steel formwork is supported between the prefabricated grooved wall and the prefabricated keyed wall, and the steel formwork link bolts are used to fix the steel formwork, and the gap between the formwork and the prefabricated grooved wall and the prefabricated keyed wall is coated with waterproof glue to make the steel formwork It is tightly connected with the prefabricated wall without grout leakage, and then the grouting material is poured into the steel formwork until the grouting material fills the space between the steel formwork and the prefabricated grooved wall and the prefabricated keyed wall; after the grouting material is solidified, the formwork is removed to complete the prefabricated belt Assembled connection of grooved walls and prefabricated keyed walls.
所述的带侧向连接键槽的剪力墙结构的装配方法，具体步骤如下：The specific steps of the assembly method of the shear wall structure with the lateral connecting keyway are as follows:
第一步，将钢槽与钢键分别与两片侧面钢板焊接；The first step is to weld the steel channel and steel key to two side steel plates respectively;
第二步，将预制剪力墙水平筋穿过侧面钢板预留穿钢筋孔，并完成预制墙钢筋绑扎，使预制墙钢筋与侧面钢板形成钢筋骨架，在钢筋骨架外支撑预制剪力墙模板；The second step is to pass the horizontal reinforcement of the prefabricated shear wall through the side steel plate to reserve the steel bar hole, and complete the binding of the prefabricated wall reinforcement, so that the prefabricated wall reinforcement and the side steel plate form a reinforcement skeleton, and support the prefabricated shear wall formwork outside the reinforcement skeleton;
第三步，在模板内浇筑混凝土，并养护，混凝土达到设计强度后拆除模板，形成预制带键墙和预制带槽墙；The third step is to pour concrete in the formwork and maintain it. After the concrete reaches the design strength, the formwork is removed to form a prefabricated keyed wall and a prefabricated grooved wall;
第四步，将钢键与钢槽对接，螺栓杆穿过钢槽预留螺栓孔与钢键预留螺栓孔，拧紧螺栓后完成连接；The fourth step is to butt the steel key with the steel channel, the bolt rod passes through the reserved bolt hole of the steel channel and the reserved bolt hole of the steel key, and the connection is completed after tightening the bolt;
第五步，在带键剪力墙与带槽剪力墙之间支撑模板，并在模板与剪力墙之间涂抹玻璃胶，使模板与剪力墙连接紧密不漏浆；The fifth step is to support the formwork between the keyed shear wall and the grooved shear wall, and apply glass glue between the formwork and the shear wall, so that the formwork and the shear wall are tightly connected without leakage;
第六步，在两预制墙间灌注灌浆料，直至灌浆料充满两预制墙之间灌浆缝的模板；The sixth step is to pour the grouting material between the two prefabricated walls until the grouting material fills the formwork of the grouting joint between the two prefabricated walls;
第七步，待灌浆料凝固后拆除模板，完成预制带槽墙与预制带键墙的拼接；The seventh step is to remove the template after the grouting material is solidified, and complete the splicing of the prefabricated grooved wall and the prefabricated keyed wall;
实施以上七个步骤即可完成装配式混凝土框剪结构中剪力墙侧向拼装连接。Implement the above seven steps to complete the lateral assembly connection of the shear wall in the prefabricated concrete frame-shear structure.
本发明的优点及有益效果是：Advantage of the present invention and beneficial effect are:
①本发明装配的剪力墙，可以从水平和竖向组装，装配方式更灵活。各构件形状规则，便于批量生产和运输储存；①The shear wall assembled in the present invention can be assembled horizontally and vertically, and the assembly method is more flexible. The shape of each component is regular, which is convenient for mass production, transportation and storage;
②本发明组装方法，操作简便，对人员和环境要求不高，操作流程少，施工速度快，省时省力；②The assembly method of the present invention is easy to operate, has low requirements on personnel and the environment, less operation procedures, fast construction speed, and saves time and effort;
③在力学性能上，本发明能很好的实现拼装预制构件的水平剪力，竖直剪力的传递，保证连接的可靠；③ In terms of mechanical properties, the present invention can well realize the transmission of horizontal shear force and vertical shear force of assembled prefabricated components, ensuring reliable connection;
④本发明静载和小地震时，剪力墙水平变形小，由于剪力墙间的灌浆料具有较高的强度，与钢键和钢槽同时承担预制带槽墙和预制带键墙之间的剪力，可更好的实现“小震不坏”的抗震设防目标；大震时，剪力墙水平变形大，由于灌浆料内没有钢筋，会首先破坏，此时主要靠钢键和钢槽传递预制带槽墙和预制带键墙之间的剪力，因为钢键和钢槽是钢材制作，具有较好的耗能能力，可更好的实现“大震不倒”的抗震设防目标，该种连接抗震性能好；④ During the static load and small earthquake of the present invention, the horizontal deformation of the shear wall is small, because the grouting material between the shear walls has relatively high strength, it bears the gap between the prefabricated grooved wall and the prefabricated keyed wall simultaneously with the steel key and the steel channel The shear force can better realize the anti-seismic fortification goal of "not damaged by small earthquakes". During a large earthquake, the horizontal deformation of the shear wall is large, and because there is no steel bar in the grouting material, it will be damaged first. At this time, it mainly depends on steel keys and steel bars. The groove transmits the shear force between the prefabricated grooved wall and the prefabricated keyed wall, because the steel key and the steel groove are made of steel, which has better energy dissipation capacity and can better achieve the seismic fortification goal of "not falling down in a big earthquake" , this kind of connection has good seismic performance;
⑤本发明钢槽和钢键可根据计算，设计的较短，即剪力墙间连接部分距离可以较小，因此装配率高，现场湿作业少。5. The steel channel and the steel key of the present invention can be designed shorter according to the calculation, that is, the distance between the connecting parts between the shear walls can be smaller, so the assembly rate is high and there is less wet work on site.
附图说明Description of drawings
图1是侧面钢板的三维图。Figure 1 is a three-dimensional view of a side steel plate.
图2是焊接于侧面钢板的钢槽的三维图。Fig. 2 is a three-dimensional view of a steel channel welded to a side steel plate.
图3是钢槽焊接于侧面钢板的三维图。Fig. 3 is a three-dimensional view of a steel channel welded to a side steel plate.
图4是预制剪力墙钢筋与图3组装完成的三维图。Fig. 4 is a three-dimensional diagram of the assembled prefabricated shear wall reinforcement and Fig. 3 .
图5是图4完成支撑模板的三维图。Fig. 5 is a three-dimensional view of the completed supporting formwork of Fig. 4 .
图6是预制带侧向连接槽的剪力墙(简称预制带槽墙)的三维图。Fig. 6 is a three-dimensional diagram of a prefabricated shear wall with lateral connecting grooves (referred to as a prefabricated grooved wall).
图7是焊接于侧面钢板的钢键的三维图。Figure 7 is a three-dimensional view of a steel key welded to a side steel plate.
图8是钢键焊接于侧面钢板的三维图。Fig. 8 is a three-dimensional view of a steel key welded to a side steel plate.
图9是预制剪力墙钢筋与图8组装完成的三维图。Fig. 9 is a three-dimensional view of the assembled prefabricated shear wall reinforcement and Fig. 8 .
图10是图9完成支撑模板的三维图。Fig. 10 is a three-dimensional view of the completed supporting formwork of Fig. 9 .
图11是预制带侧向连接键的剪力墙(简称预制带键墙)的三维图。Fig. 11 is a three-dimensional diagram of a prefabricated shear wall with lateral connection keys (referred to as a prefabricated keyed wall).
图12是带键预制墙与带槽预制墙通过连接件螺栓组装完成的三维图。Fig. 12 is a three-dimensional view of the assembled prefabricated wall with key and the prefabricated wall with groove through connecting piece bolts.
图13是将钢模板固定于图11连接处的三维图。Fig. 13 is a three-dimensional view of fixing the steel template to the joint in Fig. 11 .
图14是带键预制墙与带槽预制墙组装完成的三维图。Fig. 14 is a three-dimensional view of the completed assembly of the keyed prefabricated wall and the grooved prefabricated wall.
图中，1侧面钢板；2预留穿钢筋孔；3削弱钢板刚度孔；4钢槽；5钢槽预留螺栓孔；6钢键；7钢键预留螺栓孔；8预制剪力墙约束边缘构件箍筋；9预制剪力墙拉筋；10预制剪力墙水平筋；11预制剪力墙纵筋；12预制剪力墙模板；13矩形钢挡板；14预制带侧向连接槽的剪力墙(简称预制带槽墙)；15预制带侧向连接键的剪力墙(简称预制带键墙)；16钢模板；17钢模板连接螺栓；18灌浆料。In the figure, 1 side steel plate; 2 reserved holes for piercing steel bars; 3 holes for weakening steel plate stiffness; 4 steel channels; 5 reserved bolt holes for steel channels; 6 steel keys; 7 steel keys reserved bolt holes; 8 prefabricated shear wall constraints edge member stirrups; 9 prefabricated shear wall tie bars; 10 prefabricated shear wall horizontal reinforcement; 11 prefabricated shear wall longitudinal reinforcement; 12 prefabricated shear wall formwork; 13 rectangular steel baffle; 14 prefabricated Shear wall (referred to as prefabricated grooved wall); 15 prefabricated shear wall with lateral connection key (referred to as prefabricated keyed wall); 16 steel formwork; 17 steel formwork connecting bolts; 18 grouting material.
具体实施方式Detailed ways
如图1-图14所示，本发明的带侧向连接键槽的剪力墙结构、制作及装配方法如下：As shown in Fig. 1-Fig. 14, the shear wall structure, manufacture and assembly method of the band lateral connection keyway of the present invention are as follows:
(1)预制带槽墙的制作过程(1) The production process of the prefabricated grooved wall
①如图1-图3所示，将钢槽4的底面与侧面钢板1焊接，其中：侧面钢板1沿纵向开设预留穿钢筋孔2，侧面钢板1上对称开设削弱钢板刚度孔3；钢槽4为凹形槽，钢槽4的两个侧面分别开设钢槽预留螺栓孔5。①As shown in Figures 1-3, weld the bottom surface of the steel channel 4 to the side steel plate 1, wherein: the side steel plate 1 is provided with holes 2 reserved for piercing reinforcement along the longitudinal direction, and the side steel plate 1 is symmetrically provided with holes 3 for weakening the stiffness of the steel plate; The groove 4 is a concave groove, and the two sides of the steel groove 4 are respectively provided with bolt holes 5 reserved for the steel groove.
其中，钢槽4的规格应由预制剪力墙传递的竖直方向剪力确定，侧面钢板1的宽度应比剪力墙宽度小，该小于的尺寸应大于或等于规范规定的钢板所需的保护层厚度，以满足侧面钢板的抗腐蚀要求，钢槽预留螺栓孔5的数量尺寸和分布应根据螺栓杆直径数量和分布确定，钢槽4的数量和螺栓杆的直径数量和分布应由剪力墙传递的竖直剪力的大小计算确定。Among them, the specification of the steel channel 4 should be determined by the vertical shear force transmitted by the prefabricated shear wall, the width of the side steel plate 1 should be smaller than the width of the shear wall, and the smaller size should be greater than or equal to the steel plate required by the code The thickness of the protective layer is to meet the anti-corrosion requirements of the side steel plate. The number, size and distribution of the bolt holes 5 reserved in the steel groove should be determined according to the number and distribution of the diameter of the bolt rod. The number and distribution of the steel groove 4 and the diameter of the bolt rod should be determined by The magnitude of the vertical shear force transmitted by the shear wall is calculated and determined.
②如图4-图6所示，两排平行相对的预制剪力墙水平筋10和两排平行相对的预制剪力墙纵筋11组成框架结构，预制剪力墙水平筋10的两端分别安装带有钢槽4的侧面钢板1；位于预制剪力墙水平筋10端部的预制剪力墙纵筋11之间，通过预制剪力墙约束边缘构件箍筋8连接；相对的预制剪力墙纵筋11之间通过预制剪力墙拉筋9连接。②As shown in Figures 4-6, two parallel rows of prefabricated shear wall horizontal bars 10 and two parallel rows of prefabricated shear wall longitudinal bars 11 form a frame structure, and the two ends of the prefabricated shear wall horizontal bars 10 are respectively Install the side steel plate 1 with the steel channel 4; between the longitudinal reinforcement 11 of the prefabricated shear wall located at the end of the horizontal reinforcement 10 of the prefabricated shear wall, and connect through the stirrup 8 of the prefabricated shear wall constraint edge member; the relative prefabricated shear force Wall longitudinal reinforcements 11 are connected by prefabricated shear wall reinforcements 9 .
如图4所示，预制带槽墙14的制作过程如下：首先绑扎预制剪力墙纵筋11和预制剪力墙约束边缘构件箍筋8，形成预制墙边缘约束构件钢筋；然后将预制墙水平筋10穿过侧面钢板1的预留穿钢筋孔2，并与预制墙边缘约束构件钢筋完成绑扎；最后绑扎预制剪力墙拉筋9，形成预制带槽墙14的钢筋骨架。如图5-图6所示，在钢筋骨架外支撑预制剪力墙模板12，最后在所述模板内浇筑混凝土，养护28天，拆除预制剪力墙模板12，形成预制带槽墙14。As shown in Figure 4, the manufacturing process of the prefabricated wall with grooves 14 is as follows: first, the longitudinal reinforcement 11 of the prefabricated shear wall and the stirrup 8 of the prefabricated shear wall constraining edge member are bound to form the reinforcing bar of the prefabricated wall edge constraining member; then the prefabricated wall is horizontally The ribs 10 pass through the reserved steel bar holes 2 of the side steel plates 1, and are bound with the steel bars of the prefabricated wall edge constraining members; finally, the prefabricated shear wall tension bars 9 are bound to form the steel skeleton of the prefabricated grooved wall 14. As shown in Figures 5 and 6, the prefabricated shear wall formwork 12 is supported outside the steel skeleton, and finally concrete is poured in the formwork, maintained for 28 days, and the prefabricated shear wall formwork 12 is removed to form a prefabricated grooved wall 14.
需要在削弱钢板刚度孔3处放置矩形钢挡板13，以防止混凝土从削弱钢板刚度孔3中漏出，矩形钢挡板13应夹在侧面钢板1与预制剪力墙水平筋10之间。A rectangular steel baffle 13 needs to be placed at the hole 3 of the weakened steel plate to prevent concrete from leaking out of the hole 3 of the weakened steel plate. The rectangular steel baffle 13 should be sandwiched between the side steel plate 1 and the horizontal reinforcement 10 of the prefabricated shear wall.
(2)预制带键墙的制作过程(2) The production process of the prefabricated keyed wall
①图7-图8所示，将钢键6与侧面钢板1焊接，其中：钢键6为方框形，钢键6的两个相对侧面开设钢键预留螺栓孔7，钢键6宽度应比侧面钢板1的内侧宽度小，钢键6的钢键预留螺栓孔7的数量分布和尺寸与钢槽4相同。① As shown in Figure 7-8, the steel key 6 is welded to the side steel plate 1, wherein: the steel key 6 is in the shape of a square frame, and the two opposite sides of the steel key 6 are provided with bolt holes 7 reserved for the steel key, and the width of the steel key 6 is Should be smaller than the inboard width of side steel plate 1, the quantity distribution and the size of steel groove 4 that the steel key of steel key 6 reserves bolt hole 7 are identical.
②如图9-图11所示，两排平行相对的预制剪力墙水平筋10和两排平行相对的预制剪力墙纵筋11组成框架结构，预制剪力墙水平筋10的两端分别安装带有钢键6的侧面钢板1；位于预制剪力墙水平筋10端部的预制剪力墙纵筋11之间，通过预制剪力墙约束边缘构件箍筋8连接；相对的预制剪力墙纵筋11之间通过预制剪力墙拉筋9连接。② As shown in Figures 9-11, two parallel rows of prefabricated shear wall horizontal bars 10 and two parallel rows of prefabricated shear wall longitudinal bars 11 form a frame structure, and the two ends of the prefabricated shear wall horizontal bars 10 are respectively Install the side steel plate 1 with the steel key 6; between the longitudinal reinforcement 11 of the prefabricated shear wall located at the end of the horizontal reinforcement 10 of the prefabricated shear wall, connected by the stirrup 8 of the prefabricated shear wall restraint edge member; the relative prefabricated shear force Wall longitudinal reinforcements 11 are connected by prefabricated shear wall reinforcements 9 .
预制带键墙15的制作过程如下：首先绑扎预制剪力墙纵筋11和预制剪力墙约束边缘构件箍筋8，形成预制墙边缘约束构件钢筋；然后将预制墙水平筋10穿过侧面钢板1的预留穿钢筋孔2，并与预制墙边缘约束构件钢筋完成绑扎；最后绑扎预制剪力墙拉筋9，形成预制带键墙15的钢筋骨架。在钢筋骨架外支撑预制剪力墙模板12，最后在所述模板内浇筑混凝土，养护28天，拆除预制剪力墙模板12，形成预制带键墙15。The manufacturing process of the prefabricated keyed wall 15 is as follows: first, the longitudinal reinforcement 11 of the prefabricated shear wall and the stirrup 8 of the prefabricated shear wall constraining edge member are bound to form the prefabricated wall edge constraining member reinforcement; then the prefabricated wall horizontal reinforcement 10 is passed through the side steel plate 1 is reserved for piercing reinforcement holes 2, and is bound with the prefabricated wall edge restraint component reinforcement; finally, the prefabricated shear wall tension bars 9 are bound to form the steel skeleton of the prefabricated keyed wall 15. The prefabricated shear wall formwork 12 is supported outside the steel skeleton, and finally concrete is poured in the formwork, maintained for 28 days, and the prefabricated shear wall formwork 12 is removed to form a prefabricated keyed wall 15 .
需要在削弱钢板刚度孔3处放置矩形钢挡板13，以防止混凝土从削弱钢板刚度孔3中漏出，矩形钢挡板13应夹在侧面钢板1与预制剪力墙水平筋10之间。A rectangular steel baffle 13 needs to be placed at the hole 3 of the weakened steel plate to prevent concrete from leaking out of the hole 3 of the weakened steel plate. The rectangular steel baffle 13 should be sandwiched between the side steel plate 1 and the horizontal reinforcement 10 of the prefabricated shear wall.
(3)预制带槽墙与预制带键墙的装配过程(3) Assembly process of prefabricated grooved wall and prefabricated keyed wall
如图12-图14所示，组装时，首先吊装固定预制带槽墙14，然后将预制带键墙15从竖向或水平向，吊装于预制带槽墙14的侧面，预制带键墙15通过钢键6与预制带槽墙14的钢槽4对接，并保证钢键6在钢槽4内，二者间的螺栓孔对齐；最后将一端带螺帽的螺栓杆穿过钢槽4和钢键6的预留螺栓孔，并用螺帽拧紧。As shown in Figures 12-14, during assembly, the prefabricated wall with grooves 14 is hoisted and fixed at first, and then the prefabricated wall with keys 15 is hoisted on the side of the prefabricated wall with grooves 14 from the vertical or horizontal direction, and the prefabricated wall with keys 15 Dock the steel key 6 with the steel channel 4 of the prefabricated wall with channel 14, and ensure that the steel key 6 is in the steel channel 4, and the bolt holes between the two are aligned; finally pass the bolt rod with a nut at one end through the steel channel 4 and Reserve the bolt holes of the steel key 6 and tighten them with nuts.
在预制带槽墙14和预制带键墙15之间支撑钢模板16，钢模板16之间用钢模板链接螺栓17固定，并用防水胶涂抹模板与预制墙(预制带槽墙14和预制带键墙15)之间的缝隙，使钢模板16和预制墙紧密连接不漏浆，然后在钢模板16内灌注灌浆料18，直至灌浆料18充满钢模板16与预制带槽墙14和预制带键墙15之间的空间。待灌浆料18凝固后拆除模板16，完成预制带槽墙14与预制带键墙15的拼装连接。Support steel formwork 16 between prefabricated wall with groove 14 and prefabricated wall with key 15, fix with steel formwork link bolt 17 between steel formwork 16, and smear formwork and prefabricated wall (prefabricated with grooved wall 14 and prefabricated with key) with waterproof glue The gap between the walls 15) makes the steel formwork 16 and the prefabricated wall tightly connected without grout leakage, and then pours the grouting material 18 in the steel formwork 16 until the grouting material 18 is full of the steel formwork 16 and the prefabricated grooved wall 14 and the prefabricated belt key Space between walls 15 . After the grouting material 18 is solidified, the template 16 is removed, and the assembly and connection of the prefabricated grooved wall 14 and the prefabricated keyed wall 15 are completed.
静载和小地震时，剪力墙水平变形小，由于灌浆料18具有较高的强度，与钢键6和钢槽4同时承担预制带槽墙14和预制带键墙15之间的剪力，可更好的实现“小震不坏”的抗震设防目标，大震时，剪力墙水平变形大，由于灌浆料内没有钢筋，会首先破坏，此时主要靠钢键6和钢槽4传递预制带槽墙14和预制带键墙15之间的剪力，因为钢键6和钢槽4是钢材制作，因此具有较好的耗能能力，可更好的实现“大震不倒”的抗震设防目标。该种连接抗震性能好。Under static load and small earthquake, the horizontal deformation of the shear wall is small. Since the grouting material 18 has high strength, it bears the shear force between the prefabricated grooved wall 14 and the prefabricated keyed wall 15 together with the steel key 6 and steel channel 4 , can better realize the anti-seismic fortification goal of "not damaged by small earthquakes". During major earthquakes, the horizontal deformation of the shear wall is large. Since there is no steel bar in the grouting material, it will be damaged first. At this time, it mainly depends on the steel key 6 and the steel channel 4 Transfer the shear force between the prefabricated grooved wall 14 and the prefabricated keyed wall 15, because the steel key 6 and the steel groove 4 are made of steel, so they have better energy dissipation capacity, and can better realize "not falling down in a big earthquake" anti-seismic fortification target. This kind of connection has good anti-seismic performance.
实施例结果表明，本发明中，预制墙的侧向拼装连接方法：①各构件形状规则，便于批量生产和运输储存；②组装方法，操作简便，对人员和环境要求不高，操作流程少，施工速度快，省时省力；③能很好的实现拼装预制构件的竖直剪力的传递，保证连接的可靠；④抗震性能好，可更好的实现“小震不坏”，“大震不倒”的抗震设防目标；⑤装配率高，现场湿作业少。The results of the examples show that in the present invention, the lateral assembly and connection method of prefabricated walls: ①The shape of each component is regular, which is convenient for batch production and transportation and storage; The construction speed is fast, saving time and labor; ③It can well realize the vertical shear force transmission of assembled prefabricated components, ensuring the reliability of the connection; The anti-seismic fortification goal of "not falling down"; ⑤ high assembly rate, less wet work on site.
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| CN109267672A (en) * | 2018-11-09 | 2019-01-25 | 沈阳建筑大学 | The structure and assembly method of special-shaped I-steel connection shear wall and coupling beam |
| CN109723167A (en) * | 2018-12-21 | 2019-05-07 | 山东大学 | A prefabricated concrete-filled steel tube edge-constrained composite shear wall combination |
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| CN112761310A (en) * | 2020-12-21 | 2021-05-07 | 西安建筑科技大学 | Fabricated shear wall lateral steel bar connecting device and application method |
| CN112942626A (en) * | 2021-02-22 | 2021-06-11 | 山东建筑大学 | Formwork-supporting-free assembled shear wall structure and connecting method |
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| CN114753693A (en) * | 2022-03-19 | 2022-07-15 | 北京工业大学 | Assembly type cross-shaped column and ecological inner wall self-tapping nail cluster connecting structure and method |
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